Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/xe/sync: Fixed the memory leak caused by improper release of the user fence when dmafencechainalloc fails. When dmafencechainalloc fails, it is necessary to properly release the reference to the user fence to prevent a memory...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/xe/sync: Cleanup of partially initialized sync objects occurs during parse failures. The xesyncentryparse function can allocate references such as syncobjs, fences, chain fences, or user fences before encountering subsequent...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Fuse: Abort on fatal signal during sync init When sync init is used and the server exits for some reason e.g., error, crash, the filesystem creation will hang during the processing of FUSEINIT. The reason for this issue is that...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: Fixed a race condition in hcicmdsyncclear. There is a potential race condition in hcicmdsyncwork and hcicmdsyncclear, which could lead to use-after-free issues. For example, hcicmdsyncwork is added to the...

Astra Linux – Vulnerability in ntfs-3g

A properly crafted NTFS image can lead to a out-of-bounds access in ntfs inode syncstandardinformation in NTFS-3G 2021.8.22...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciqca: It is necessary to call deltimersync before freeing a timer. A crash report indicated that the timer list might become corrupted when a timer is freed while still active. This issue is commonly caused by code...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: i40e: Fixed NULL pointer dereferencing in VSI filter synchronization. The issue of NULL pointer dereferencing in sync VSI filters has been eliminated. A new I40EVSIRELEASING flag was added to indicate the deletion and release of...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Watchdog: Fixed a possible use-after-free in wdtstartup. The remove path of this module calls deltimer. However, that function does not wait until the timer handler finishes. This means that the timer handler may still be running...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Watchdog: sc520wdt: A possible use-after-free occurred in wdtturnoff. The remove method of this module calls deltimer. However, that function does not wait until the timer handler is completed. This means that the timer handler m...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: dmaengine: dw-edma: HDMA: Add sync read before starting the DMA transfer in remote setup The linked list elements and pointers are not stored in the same memory as the HDMA controller register. If the doorbell register is toggled...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hcisync: Fixed UAF in hcidisconnectallsync A use-after-free can occur in hcidisconnectallsync if a connection is deleted due to concurrent processing of a controller event. To prevent this, the code now attempts to...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: atm: iphase: fixed a possible use-after-free in iamoduleexit The remove function of this module calls deltimer. However, that function does not wait for the timer handler to complete. This means that the timer handler may still b...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/i915: mark requests for GuC virtual engines to avoid use-after-free. References to i915requests may be trapped by the user space within a syncfile or dmabuf dma-resv and held indefinitely across different processes. To counte...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: soundwire: bus: Fix unbalanced pmruntimeput causing usage count underflow This issue is addressed by the commit 443a98e649b4 “soundwire: bus: use pmruntimeresumeandget”. The calls to pmruntimeresumeandget are changed back to...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: MGMT: fixed a crash in setmeshsync and setmeshcomplete. There is a bug: KASAN: a stack-out-of-bounds issue in setmeshsync, caused by memcpy from a poorly declared on-stack flexible array. Another crash occurs in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: rejecting malformed HCICMDSYNC commands In mgmthcicmdsync, check whether the size of the parameters passed in struct mgmtcphcicmdsync matches the total size of the data i.e., sizeofstruct mgmtcphcicmdsync plus th...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: “sh: push-switch: Reorder cleanup operations to avoid use-after-free bug” The original code placed “flushwork” before “timershutdownsync” in “switchdrvremove”. Although we use “flushwork” to stop the worker, it could be reschedul...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hcisync: If hcicmdsyncqueueonce returns -EEXIST, it indicates that a queue item already exists. The hcicmdsyncqueueonce function needs to indicate whether a queue item was added, so that the caller can know if...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Use deltimersync instead of deltimer in the fw reset flow of the halting poll. Replace deltimer with deltimersync in the fw reset polling activation flow. This prevents a race condition that occurs when deltimer is call...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Watchdog: cpu5wdt.c: Fixed a use-after-free bug caused by cpu5wdttrigger. When the cpu5wdt module is being removed, the original code uses deltimer to deactivate the timer. If the timer handler is still running, deltimer may not ...